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17 April 2020 An ultra-low phase noise and spurs injection locked 10 GHz dual-loop optoelectronic oscillator
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Proceedings Volume 11455, Sixth Symposium on Novel Optoelectronic Detection Technology and Applications; 1145588 (2020) https://doi.org/10.1117/12.2565416
Event: Sixth Symposium on Novel Photoelectronic Detection Technology and Application, 2019, Beijing, China
Abstract
Low phase noise microwave oscillator is a key device for many applications, including radar, remote sensing, communication and test instrumentation. Photonics based optoelectronic microwave oscillator can overcome the limitation of the phase noise of the electrical microwave oscillators. However, there are some scaling issues for the optoelectronic oscillator, including frequency control and spurs. In this paper, we propose an injection-locked dual-loop optoelectronic oscillator to attain a frequency stable 10 GHz microwave signal with low phase noise and low spurs, simultaneously. Experimentally, single-sideband (SSB) phase noise of -140 dBc/Hz at 10 kHz offset and spurs below -130 dBc are achieved.
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Huanfa Peng, Naijin Liu, and Zhangyuan Chen "An ultra-low phase noise and spurs injection locked 10 GHz dual-loop optoelectronic oscillator", Proc. SPIE 11455, Sixth Symposium on Novel Optoelectronic Detection Technology and Applications, 1145588 (17 April 2020); https://doi.org/10.1117/12.2565416
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